Buffalo HD-WL4TSU2R1 disk array Black vs HP StoreOnce QK699A disk array Rack (2U)

Comparison of HD-WL4TSU2R1, QK699A

26 specifications	A Buffalo HD-WL4TSU2R1 disk array Black Model HD-WL4TSU2R1 View product	B HP StoreOnce QK699A disk array Rack (2U) Model QK699A View product
Storageidentical
Number of storage drives installedKnown for one	—Unknown — not stated by the source	8
Number of storage drives supportedKnown for one	—Unknown — not stated by the source	12
Storage drive capacityKnown for one	—Unknown — not stated by the source	2 GB
Storage drive interfaceKnown for one	—Unknown — not stated by the source	Serial Attached SCSI (SAS)
RAID levelsKnown for one	—Unknown — not stated by the source	0, 1, 1+0, 5, 6, 50, 60, JBOD
Data transfer rateKnown for one	—Unknown — not stated by the source	6 Gbit/s
HDD speedKnown for one	—Unknown — not stated by the source	7200 RPM
Native capacityKnown for one	—Unknown — not stated by the source	16 GB
Designidentical
Chassis typeKnown for one	—Unknown — not stated by the source	Rack (2U)
Product colourKnown for one	Black	—Unknown — not stated by the source
LED indicatorsKnown for one	Power, Yes	—Unknown — not stated by the source
Poweridentical
Redundant power supply (RPS) supportKnown for one	—Unknown — not stated by the source	Yes
AC input frequencyKnown for one	50 - 60 Hz	—Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.04 kg	35.4 kg
WidthKnown for one	86.4 mm	—Unknown — not stated by the source
DepthKnown for one	205.7 mm	—Unknown — not stated by the source
HeightKnown for one	127 mm	—Unknown — not stated by the source
Other featuresidentical
Power requirementsKnown for one	—Unknown — not stated by the source	110-120V
Minimum system requirementsKnown for one	—Unknown — not stated by the source	Microsoft Windows 2003; Microsoft Windows 2008 Novell NetWare; Red Hat Linux; Xen; SUSE Linux; VMware; Microsoft Windows Hyper-V; HP-UX
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	419 x 597 x 762 mm
Power supply typeKnown for one	—Unknown — not stated by the source	AC
Compatible operating systemsKnown for one	Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows2000, Windows Server 2003 (32-bit), Windows Server 2003 R2 (32-bit), Windows Server 2008 (32-bit/64-bit), Windows Server 2008 R2 (64-bit), Mac OS X 10.4 or later	—Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	1	—Unknown — not stated by the source
eSATA ports quantityKnown for one	1	—Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	eSATA	—Unknown — not stated by the source
Bundled softwareKnown for one	Buffalo Tools TurboPC NovaBACKUP Business Essentials	—Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.